Answer:
∠COD and ∠DOB are complementary angles .
Step-by-step explanation:
Definition of Complementary angles
Two angles whose sum is equal to 90 degree is called complementary angles .
As the figure given in the question .
Clearly
∠COD + ∠BOD = 90°
Therefore ∠COD and ∠DOB are complementary angles .
When the points or coordinates are in bigger values.
As multiplication is (repeated) addition a (power) is a product of repeated factors
Answer:
Her friend is correct
Step-by-step explanation:
40 * 20% = 8
40+8=48